Adding sync badge (#31)

Signed-off-by: Phil Dibowitz <phil@ipom.com>

Author: jaymzh

README.md

@@ -1,6 +1,7 @@
 # Program generation
 
 [![lint](https://github.com/socallinuxexpo/program-generation/actions/workflows/lint.yml/badge.svg)](https://github.com/socallinuxexpo/program-generation/actions/workflows/lint.yml)
+[![sync](https://github.com/socallinuxexpo/program-generation/actions/workflows/sync.yml/badge.svg)](https://github.com/socallinuxexpo/program-generation/actions/workflows/sync.yml)
 
 This is the repo for all things around generating SCALE Programs - both printed
 and digital.